<!DOCTYPE html>
<html lang="zh-cn">
  <head>
    <meta charset="utf-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1">
    <title>lxp_test</title>
		
    <!-- bootstrap.css -->
    <link rel="stylesheet" href="http://cdn.static.runoob.com/libs/bootstrap/3.3.7/css/bootstrap.min.css">  
    <!-- jquery -->
    <script src="http://cdn.static.runoob.com/libs/jquery/2.1.1/jquery.min.js"></script>
    <!-- bootstrap.js -->
    <script src="http://cdn.static.runoob.com/libs/bootstrap/3.3.7/js/bootstrap.min.js"></script>
  	<!-- angular -->
  	<script src="http://cdn.static.runoob.com/libs/angular.js/1.4.6/angular.min.js"></script>
  	<!-- jquery-validation 表单验证-->
  	<script src="http://static.runoob.com/assets/jquery-validation-1.14.0/dist/jquery.validate.min.js"></script>
		<script src="http://static.runoob.com/assets/jquery-validation-1.14.0/dist/localization/messages_zh.js"></script>

  </head>
  <script>
//	function dd (){
//		    var a = document.createElement('a');
//	    var url = window.URL.createObjectURL("./img/test.zip");
//	    var filename = 'myfile.zip';
//	    a.href = url;
//	    a.download = filename;
//	    a.click();
//	    window.URL.revokeObjectURL(url);
//	}
  	fetch('./img/test.zip').then(res => res.blob().then(blob => {
    var a = document.createElement('a');
    var url = window.URL.createObjectURL(blob);
    var filename = 'myfile.zip';
    a.href = url;
    a.download = filename;
    a.click();
    window.URL.revokeObjectURL(url);
}))
  	
  	
  </script>
  
  <body>
    		<a onclick="dd()">下载</a>

  </body>
</html>